HiBONT h; int rt = tagion_hibon_create(&h); assert(rt == ErrorCode.none, "could not create hibon"); string key = "some_key"; auto insert_time = sdt_t(12_345); rt = tagion_hibon_add_time(&h, &key[0], key.length, cast(int64_t) insert_time); assert(rt == ErrorCode.none, "could not add time"); HiBON result = cast(HiBON) h.hibon; import tagion.hibon.HiBONBase : Type; assert(result[key].type == Type.TIME); assert(result[key].get!sdt_t == insert_time);